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Fix decoding of 2/4 bpp Tiff samples.
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@ -294,8 +294,8 @@ static int init_image(TiffContext *s)
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} else {
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/* make default grayscale pal */
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pal = (uint32_t *) s->picture.data[1];
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for (i = 0; i < 256; i++)
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pal[i] = i * 0x010101;
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for (i = 0; i < 1<<s->bpp; i++)
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pal[i] = i * 255 / ((1<<s->bpp) - 1) * 0x010101;
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}
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}
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return 0;
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@ -615,7 +615,7 @@ static int decode_frame(AVCodecContext *avctx,
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src = s->picture.data[0];
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for(j = 0; j < s->height; j++){
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for(i = 0; i < s->picture.linesize[0]; i++)
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src[i] = 255 - src[i];
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src[i] = (s->avctx->pix_fmt == PIX_FMT_PAL8 ? (1<<s->bpp) - 1 : 255) - src[i];
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src += s->picture.linesize[0];
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}
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}
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